# Variance vs MathChirp

The clearest difference is in-app purchases: MathChirp at none against Variance's 2. MathChirp also leads on iOS requirement (15.0 vs 26.0). Variance's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Variance sells 2 in-app purchases, starting at $24.99 per month. MathChirp asks for nothing beyond the download.

## The numbers

| Metric | Variance | MathChirp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/variance-the-quant-prep-app/id6760629839/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | — |
| Monetization | Freemium | — |
| Size | 18 MB | 22 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Benjamin Kawano](https://appshunter.io/developer/1885410913) | [nguyen van sang](https://appshunter.io/developer/1575122979) |

## What reviewers say

### Variance

[App page](https://appshunter.io/ios/app/variance-the-quant-prep-app/id6760629839)

Prepare for quantitative finance interviews with this app. Practice probability, mental math, logic puzzles, and more with detailed solutions and progress tracking. Sharpen your mathematical intuition and problem-solving skills for trading and research roles.

**Highlights:** Probability practice, Mental math exercises, Logic puzzles, Detailed solutions, Progress tracking, Topic-specific practice

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Variance Pro Monthly | $24.99 | per month |
| Variance Pro Yearly | $99.99 | per year |


### MathChirp

[App page](https://appshunter.io/ios/app/mathchirp-ai-math-practice/id6799354516)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Variance free?

Variance is free to download, with in-app purchases available.

### Is MathChirp free?

MathChirp is free to download, with no in-app purchases.

### Do Variance or MathChirp have ads?

MathChirp shows ads; Variance does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*